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浅谈钢结构表面处理及质量要求

发布时间:2016-8-26 10:20:56 浏览次数:522

1,喷砂后的钢材应在4小时以内完结第一道油漆的涂装。假如选用ET-98无机磷酸盐长效型富锌涂料作为底漆,一般除油、除锈即可,可不喷砂、抛丸,而用钢丝刷、磨光机或钢砂纸处理,可带微锈的情况下涂刷施工。

 

浅谈钢结构表面处理及质量要求

 

 


1, after blasting the steel should be within 4 hours after the completion of the first paint coating. If the use of long-acting et-98 inorganic phosphate type zinc rich coating as a primer, general degreasing, rust can be, not sand blasting, shot blasting, and with a wire brush, polishing machine or emery paper processing, micro construction brushing the rust belt.


,2,如遇焊接部件,在烛焊接后的72小时以内不能进行涂装。


2, in case of welding parts, coating is carried out within 72 hours after not candle welding.


,3,对镀锌层有必要选用轻扫级喷砂法去除灰层、油污等杂质,然后涂刷70-H环氧铁红防腐漆。


. 3, the galvanized layer it is necessary to use swipe blast method to remove the layer of dust, oil and other impurities, and then brushing 70-H iron red epoxy anticorrosive paint.


,4,对一般钢材以喷砂法进行除锈处理,除尽铁锈、氧化皮等杂物。外表处理质量操控应达到GB8923规则的“涂装前钢材外表锈蚀等级和除锈等级”标准规则的Sa2.5级,外表粗糙度35-75um,喷砂后将砂尘除尽。


4, in general, steel rust treatment by blasting, except as rust, oxide debris. Surface treatment quality control should reach gb8923 rules "before coating steel surface rust grades and derusting grade" standard rules Sa2.5 and rough appearance 35-75um. After blasting the sand dust divisible.

 

 

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